package com.aop;


import org.aspectj.lang.JoinPoint;
import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.annotation.*;
import org.springframework.stereotype.Component;

@Aspect
@Component
public class AnnoAdvice {
    @Pointcut("execution(* com.Dao.impl.UserDaoImpl*.*(..))")
    public void pointcut() {
    }
    // 前置通知
    @Before("pointcut()")
    public void before(JoinPoint joinPoint) {
        System.out.println("这是前置通知!");
        System.out.println("目标类是:" + joinPoint.getTarget());
        System.out.println(",被织入增强处理的目标方法为:" + joinPoint.getSignature().getName());
    }
    // 返回通知
    @AfterReturning("pointcut()")
    public void afterReturning(JoinPoint joinPoint) {
        System.out.println("这是返回通知!");
        System.out.println(",被织入增强处理的目标方法为:" + joinPoint.getSignature().getName());
    }
    // 环绕通知
    @Around("pointcut()")
    public Object around(ProceedingJoinPoint joinPoint) throws Throwable {
        System.out.println("这是环绕通知之前的部分!");
        // 调用方法
        Object object = joinPoint.proceed();
        System.out.println("这是环绕通知之后的部分!");
        return object;
    }
    // 异常通知
    @AfterThrowing("pointcut()")
    public void afterThrowing() {
        System.out.println("这是异常通知!");
    }
    // 后置通知
    @After("pointcut()")
    public void after() {
        System.out.println("这是后置通知!");
    }
}
